CATIONIC is a playable word

cation Scrabble® Dictionary

noun
pl. cations
a positively charged ion
(adjective) cationic
76 Playable Words can be made from "CATIONIC"
   2-Letter Words (12 found)
   3-Letter Words (19 found)
   6-Letter Words (8 found)
   7-Letter Words (1 found)
   8-Letter Words (2 found)